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<a href="mailto:docerrors@microchip.com&subject=MPLAB Harmony Documentation Feedback (Topic ID: DRV_NAND_FLASH_FeatureGet@DRV_HANDLE@uint8_t *@uint8_t@uint8_t Topic Title: DRV_NAND_FLASH_FeatureGet Function)&body=Thank you for your feedback! Please include a description of your feedback, and indicate whether you are reporting an an error in the documentation or an enhancement.">Documentation Feedback</a><br> <a href="http://support.microchip.com" target="_blank">Microchip Support</a></div>
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DRV_NAND_FLASH_FeatureGet Function</div>
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This routine reads target specific features from NAND Flash.</p></div>
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C</div>
<div class="Element101"><div class="Element100"><pre class="Element100"><strong><span style="color: #000080">bool</span></strong> <strong><span style="color: #000000">DRV_NAND_FLASH_FeatureGet</span></strong>(
    <strong><span style="color: #000080">const</span></strong> <a href="00257.html" target="topic">DRV_HANDLE</a> <strong><span style="color: #000000">handle</span></strong>, 
    uint8_t * <strong><span style="color: #000000">featureData</span></strong>, 
    uint8_t <strong><span style="color: #000000">featureDataSize</span></strong>, 
    uint8_t <strong><span style="color: #000000">featureAddress</span></strong>
);</pre></div></div>
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Preconditions</div>
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The <a href="00414.html" target="topic">DRV_NAND_FLASH_Open</a>() routine must have been called for the specified NAND FLASH driver instance.</p></div>
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Parameters</div>
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Parameters&nbsp;</div></td><td class="Element304" valign="top" width="65%">
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Description&nbsp;</div></td></tr><tr>
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handle&nbsp;</div></td><td class="Element306" valign="top" width="65%">
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A valid open-instance handle, returned from the driver's open routine&nbsp;</div></td></tr><tr>
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featureData&nbsp;</div></td><td class="Element306" valign="top" width="65%">
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Pointer to destination buffer into which subfeature data to be placed from NAND Flash&nbsp;</div></td></tr><tr>
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featureDataSize&nbsp;</div></td><td class="Element306" valign="top" width="65%">
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Total number of subfeature data bytes to be read&nbsp;</div></td></tr><tr>
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featureAddress&nbsp;</div></td><td class="Element306" valign="top" width="65%">
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Specific feature address to be send after command cycle.&nbsp;</div></td></tr></table></div></div>
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Returns</div>
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false</p>
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<li class="Element600">If invalid handle</li>
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&nbsp;</p>
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true</p>
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<li class="Element600">If specific feature is read successfully from the flash</li>
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Remarks</div>
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This routine will block for hardware access.</p></div>
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Example</div>
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<div class="Element13"><div class="Element12"><pre class="Element12">i.e. Read NAND Flash ECC controller <strong><span style="color: #000080">if</span></strong> NAND Flash supports <strong><span style="color: #000080">internal</span></strong> ECC controller
<strong><span style="color: #000080">#define</span></strong> NAND_FLASH_TARGET_DISABLE_INTERNAL_ECC    0x90
uint8_t featureData[4];
<a href="00257.html" target="topic">DRV_HANDLE</a> handle;  <i><span style="color: #008000">// Returned from DRV_NAND_FLASH_Open</span></i>

<strong><span style="color: #000080">if</span></strong> (DRV_NAND_FLASH_FeatureGet(handle, featureData, <strong><span style="color: #000080">sizeof</span></strong>(featureData), NAND_FLASH_TARGET_DISABLE_INTERNAL_ECC))
{
    <i><span style="color: #008000">// Feature data read successfully</span></i>
}</pre></div></div>
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